deps: upgrade libuv to 5031a5b

deps/uv/config-unix.mk

@@ -67,7 +67,9 @@ EIO_CONFIG=config_linux.h
 CSTDFLAG += -D_GNU_SOURCE
 CPPFLAGS += -Isrc/ares/config_linux
 LINKFLAGS+=-ldl -lrt
-OBJS += src/unix/linux/core.o src/unix/linux/inotify.o src/unix/linux/syscalls.o
+OBJS += src/unix/linux/linux-core.o \
+        src/unix/linux/inotify.o    \
+        src/unix/linux/syscalls.o
 endif
 
 ifeq (FreeBSD,$(uname_S))

deps/uv/uv.gyp

@@ -233,7 +233,7 @@
         [ 'OS=="linux"', {
           'include_dirs': [ 'src/ares/config_linux' ],
           'sources': [
-            'src/unix/linux/core.c',
+            'src/unix/linux/linux-core.c',
             'src/unix/linux/inotify.c',
             'src/unix/linux/syscalls.c',
             'src/unix/linux/syscalls.h',